GS

Gerhard Siepenkort

DG Dbt Gmbh: 15 patents #3 of 80Top 4%
Caterpillar: 11 patents #497 of 8,398Top 6%
BG Bucyrus Europe Gmbh: 3 patents #1 of 17Top 6%
GG Gewerkschaft Eisenhutte Westfalia Gmbh: 1 patents #74 of 163Top 50%
Overall (All Time): #118,971 of 4,157,543Top 3%
31
Patents All Time

Issued Patents All Time

Showing 1–25 of 31 patents

Patent #TitleCo-InventorsDate
10508540 Plow guide assembly for plow guides Klaus Duhnke, Susanne Wutzke, Frank Reitenbach 2019-12-17
9988904 Plow bit assembly Uwe Tillessen, Klaus Duhnke, Susanne Wutzke, Diedrich Bettermann 2018-06-05
9163501 Guide piece for an extraction or coal plough Norbert Hesse, Klaus Duhnke, Uwe Tillessen 2015-10-20
9156621 Face conveyor for extraction plants and trough element for said face conveyor Hendrik Padberg, Jens Steinberg, Jorg Wirtz, Detlef Hahn, Joachim Raschka 2015-10-13
8752906 Mining plough for plough systems and plough system for inclined formation Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2014-06-17
8733536 Transfer station Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2014-05-27
8714659 Bit arrangement for a mining plough, and mining plough for plough systems Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2014-05-06
8632134 Carriage for a recovery plough Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2014-01-21
8616656 Ploughing device for mining and plough body for said device Adam Klabisch, Norbert Hesse 2013-12-31
8544960 Chain guide for a driving chain of a mining machine Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2013-10-01
8459749 Roof cutter holder adjustment device and securing element therefor Adam Klabisch, Klaus Duhnke, Norbert Hesse 2013-06-11
8276990 Drive station for an underground plough system and method for repairing recovery ploughs Adam Klabisch, Klaus Duhnke, Norbert Hesse, Diedrich Bettermann 2012-10-02
8128176 Device for determining the cutting horizon of a mining extraction system, and pan element therefor Adam Klabisch, Norbert Hesse, Klaus Duhnke, Diedrich Bettermann 2012-03-06
8066112 Connector device for trough pans on mining equipment trough pan and assembly component for the same Adam Klabisch, Klaus Duhnke, Norbert Hesse, Henrik Padberg 2011-11-29
7641286 Plough guide for a chain-pulled plough Adam Klabisch, Norbert Hesse, Klaus Duhnke, Andre Göller 2010-01-05
7575284 Mining plow Diedrich Bettermann, Klaus Duhnke, Norbert Hesse, Adam Klabisch 2009-08-18
7503629 Pick locking device including a clamp element and a retaining pin Adam Klabisch, Klaus Duhnke, Norbert Hesse, Uwe Tillessen 2009-03-17
7399039 Baseplate plow guide section Diedrich Bettermann, Klaus Duhnke, Norbert Hesse, Adam Klabisch 2008-07-15
7393061 Coal plow cutter Norbert Hesse, Adam Klabisch, Uwe Tillessen, Klaus Duhnke 2008-07-01
7347501 Plow baseplate Diedrich Bettermann, Klaus Duhnke, Norbert Hesse, Adam Klabisch 2008-03-25
7314253 Plough for underground mining Uwe Tillessen, Norbert Hesse, Klaus Duhnke, Adam Klabisch 2008-01-01
7310897 Bit holder for a ploughing bit and ploughing bit Uwe Tillessen, Norbert Hesse, Klaus Duhnke, Adam Klabisch 2007-12-25
7303352 Connection device Diedrich Bettermann, Klaus Duhnke, Norbert Hesse, Adam Klabisch 2007-12-04
7188441 Plow guide for a chain-pulled plow Gerhard Merten, Adam Klabisch, Klaus Duhnke, Norbert Hesse, Uwe Tillessen +1 more 2007-03-13
7104392 Toggle retainer for toggle connections and toggle pocket for toggle retainer Adam Klabisch, Klaus Duhnke, Norbert Hesse, Uwe Tillessen 2006-09-12